Home / 3,025.12-4,174.56-1,848.16

Finding the Fourth Proportional to 3,025.12, 4,174.56 and 1,848.16

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Solution

The fourth proportional to 3,025.12, 4,174.56 and 1,848.16 is: 2,550.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,025.12 : 4,174.56 = 1,848.16 : x
  2. Step 2: Convert to fraction form
    3,025.12/4,174.56 = 1,848.16/x
  3. Step 3: Cross multiply
    3,025.12x = 4,174.56 × 1,848.16
  4. Step 4: Simplify right side
    3,025.12x = 7,715,254.81
  5. Step 5: Solve for x
    x = 7,715,254.81/3,025.12
  6. Step 6: Final answer
    x = 2,550.40

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.